Provisions and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]

Summary of Provisions and Other Liabilities

(CAD$ in millions)	December 31, 2021		December 31, 2020
Decommissioning and restoration provisions and other provisions (a)	$	3,813	$	3,484
Obligation to Neptune Bulk Terminals (b)	170		111
Derivative liabilities (net of current portion of $9 (2020 – $6))	51		26
ENAMI preferential dividend liability (Note 10(a))	78		30
QB2 variable consideration to IMSA (Note 10(a))	98		—
Other IMSA payable	61		60
Other liabilities	83		20
	$	4,354	$	3,731

a) Decommissioning and Restoration Provisions and Other Provisions

Summary of Movements in Provisions

The following table summarizes the movements in provisions for the year ended December 31, 2021:

(CAD$ in millions)	Decommissioning and Restoration Provisions		Other Provisions		Total
As at January 1, 2021	$	3,342	$	315	$	3,657
Settled during the year	(90)		(38)		(128)
Change in discount rate	322		—		322
Change in amount and timing of cash flows	2		75		77
Accretion (Note 9)	151		4		155
Other	(4)		(56)		(60)
Changes in foreign exchange rates	2		(2)		—
As at December 31, 2021	3,725		298		4,023
Less current portion of provisions (Note 17)	(144)		(66)		(210)
Long-term provisions	$	3,581	$	232	$	3,813